209293557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{71261}}^1$

素因数の和:71364

約数の個数: 16

約数和(自身を含む): 307851840

約数和(自身を除く): 98558283

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 71261, 213783, 783871, 2351613, 6342229, 19026687, 69764519, 209293557]

約数ペア:

[(1, 209293557), (3, 69764519), (11, 19026687), (33, 6342229), (89, 2351613), (267, 783871), (979, 213783), (2937, 71261)]